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Found 10 records similar to Acid Sensitive Lakes, Oil Sands Region

Federal

Assessing polycyclic aromatic hydrocarbon and naphthenic acid concentrations in soils collected in 2012 – Field and Laboratory Assessment of Contaminants

The concentrations of polycyclic aromatic hydrocarbons (PAHs) and naphthenic acids (NAs) were measured in soil samples collected in 2012. Concentrations at all sites were, with one exception, always below soil quality guidelines established by the Canadian Council of Ministers of the Environment (CCME). PAH concentrations in soil at sites near oil sands industrial development were higher than PAH concentrations in northwestern Saskatchewan. This finding was not unexpected given that PAHs are present in naturally occurring Alberta bitumen.

Last Updated: Jul. 22, 2019
Date Published: Oct. 4, 2013
Organization: Environment and Climate Change Canada
Formats: CSV
Keywords:  oil sands, monitoring, biodiversity, contaminants, plants and soil, wildlife
Federal

In Waterton Lakes National Park, grizzly bears are used as an umbrella species representing wildlife that are sensitive to human disturbance, whereas the status of secure habitat is used as a surrogate measure for assessing cumulative effects. The status of grizzly bear habitat is therefore considered to be a landscape level indicator of the ecological integrity in Waterton Lakes National Park and the significantly larger regional ecosystem upon which this wide ranging species depends. The Sensitive Species Secure Habitat measureassesses the percent of available grizzly bear habitat in Waterton Lakes National Park; this assessment is based on digital elevation models, remote sensing data, and human activity trail counters.

Last Updated: Apr. 12, 2018
Date Published: Oct. 1, 2017
Organization: Parks Canada
Formats: CSV
Keywords:  sensitive species, grizzly bear, umbrella species, GIS, satellite imagery, digital elevation models, telemetry, remote camera, trail counter
Federal

The purpose of this Cyclical Enforcement (CE) project was to verify industry's compliance with the boric acid and salts of boric acid requirements of the Toys Regulations.

Last Updated: Dec. 14, 2020
Date Published: Jun. 21, 2018
Organization: Health Canada
Formats: HTML
Keywords:  consumer product enforcement, summary report, cyclical enforcement project, toys regulations, boric acid and salts of boric acid requirement, verify industry's compliance
Federal

This Guideline Technical Document reviews the health risks associated with haloacetic acids in drinking water. It assesses all identified health risks, taking into account new studies and approaches, as well as treatment considerations. Exposure to haloacetic acids from drinking water through inhalation and skin contact has been considered for inclusion, but is not deemed significant. Based on this review, the guideline for total haloacetic acids in drinking water is established at a maximum acceptable concentration of 0.08 mg/L.

Last Updated: Sep. 27, 2022
Date Published: Jan. 24, 2017
Organization: Health Canada
Formats: HTML
Keywords:  water, water quality, drinking water quality, potable water, contaminants, exposure to contaminants, haloacetic-acids in drinking-water
Federal

The maximum acceptable concentration (MAC) for nitrilotriacetic acid (NTA) in drinking water is 0.4 mg/L (400 µg/L).

Last Updated: Sep. 27, 2022
Date Published: Sep. 21, 2021
Organization: Health Canada
Formats: HTML
Keywords:  water, water quality, drinking water quality, potable water, contaminants, exposure to contaminants, nitrilotriacetic acid, NTA, NTA in drinking-water
Federal

Nucleic acid-based testing is also called molecular testing, and is often called PCR. Molecular tests detect the virus genetic material (nucleic acids). Public health laboratories in Canada and around the world use nucleic acid-based testing to diagnose COVID-19 infection. This test is the gold standard to diagnose active COVID-19 infection in patients with symptoms.

Last Updated: Jun. 29, 2021
Date Published: Jun. 3, 2021
Organization: Health Canada
Formats: HTML
Keywords:  COVID-19, pandemic, testing devices, testing devices for COVID-19, nucleic acid testing devices, molecular testing, PCR, nucleic acid-based testing, COVID-19 infection
Federal

These substances were identified for action under the Chemicals Management Plan (CMP). This screening assessment focuses on 6 of 7 substances referred to collectively as the Naphthalene Sulfonic Acids and Salts (NSAs) Group.

Last Updated: Aug. 30, 2022
Date Published: Jul. 16, 2020
Organization: Health Canada
Formats: HTML
Keywords:  naphthalene sulfonic acids, NSAs group, salts
Federal

The Acid Sensitive Lakes Study in the Atlantic Canada was initiated in 1983 by Environment and Climate Change Canada, to evaluate the impact of acid atmospheric pollutant on aquatic ecosystem. Originally, the study focused on the aquatic and terrestrial effects of acid precipitation, but now it also includes research into the effects of climate change. A total of 81 lakes in Nova-Scotia, New-Brunswick and Newfoundland are sampled once a year in October (twice a year for lakes in Newfoundland). Water quality chemical parameters related to the acidification environmental issue are analysed (pH, alkalinity, cations and anions, metals, organic carbon, etc) to identify chemical changes through temporal trend analyses.

Last Updated: Feb. 21, 2022
Date Published: Feb. 12, 2018
Organization: Environment and Climate Change Canada
Formats: HTML CSV TXT
Keywords:  Lakes, Streams, atmospheric deposition, acidification, metals, nutrients, major ions, contaminant, acid sensitivity
Federal

A drinking water screening value of 20 ng/L (0.000020 mg/L) is established for perfluorononanoic acid (PFNA)

Last Updated: Sep. 28, 2022
Date Published: Dec. 4, 2020
Organization: Health Canada
Formats: HTML
Keywords:  water, water quality, drinking water quality, potable water, contaminants, exposure to contaminants, drinking-water screening value, perfluorononanoic-acid, PFNA
Federal

These datasets contains depth profile of perfluoroalkyl acids (PFAAs) concentrations collected from snow on the Devon Ice Cap from 2005-2015. Perfluoroalkyl acids (PFAAs) are present in remote regions where no local sources exist. To improve understanding of long-range transport of perfluoroalkyl substances to the High Arctic, samples were collected from a snow pit on the Devon Ice Cap in spring 2005, 2006, 2008 and 2015. Snow was analyzed for perfluoroalkyl acids (PFAAs), including perfluoroalkyl carboxylic acids (PFCAs) and perfluoroalkyl sulfonic acids (PFSAs), as well as perfluorooctane sulfonamide (FOSA).

Last Updated: Feb. 21, 2022
Date Published: Sep. 4, 2018
Organization: Environment and Climate Change Canada
Formats: CSV HTML
Keywords:  Arctic, Devon Ice Cap, Perfluoroalkyl acids (PFAAs), Northern Contaminants Program (NCP), Contaminants, Concentrations, Perfluorinated alkyl substances (PFAS), Chemicals Management Plan (CMP), Arctic ecosystems
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